XML 25 R13.htm IDEA: XBRL DOCUMENT
v3.25.3

Short-Term Investments | 9 Months Ended
--- | ---
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Short-Term Investments | Note 7. Short-Term Investments Marketable Securities The following table provides amortized costs, gross unrealized gains and losses, and fair values for the Company’s investments in available-for-sale U.S. treasury securities as of September 30, 2025 and December 31, 2024, which have maturity dates that range from 2 months to 11 months and 0 month to 10 months, respectively. Fair value was determined using market prices obtained from third-party sources. Realized gains or losses were insignificant for the three and nine months ended September 30, 2025 and 2024. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
September 30, 2025 | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. treasury securities | $ | 177,388 | ​ | $ | 171 | ​ | $ | — | ​ | $ | 177,559
Total short-term marketable securities | $ | 177,388 | ​ | $ | 171 | ​ | $ | — | ​ | $ | 177,559
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2024 | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. treasury securities | $ | 132,615 | ​ | $ | 167 | ​ | $ | — | ​ | $ | 132,782
Total short-term marketable securities | $ | 132,615 | ​ | $ | 167 | ​ | $ | — | ​ | $ | 132,782
​ ​ The Company has $1.2 million and $1.0 million marketable equity securities as of September 30, 2025 and December 31, 2024, respectively, with an initial cost of $0.5 million. Total unrealized gain of $0.7 million and $0.5 million is recorded under miscellaneous (expense) income, net in the condensed consolidated statements of operations and comprehensive loss for the periods ended September 30, 2025 and December 31, 2024, respectively.

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/940-320/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph b -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/942-320/tableOfContent + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration